When the sickness came, every parent, police officer, politician—every adult—fell ill. The lucky ones died. The others are crazed, confused and hungry. Only children under fourteen remain, and they're fighting to survive. Now there are rumours of a safe place to hide. And so a gang of children begin their quest across London, where all through the city—down alleyways, in deserted houses, underground—the grown-ups lie in wait. But can they make it there—alive?